Aluminum capacitors target solar applications

Vishay Intertechnology Inc. announced a new series of snap-in power aluminum capacitors with a rated voltage of 500 V at 50 °C and a category voltage of 450 V at 105 °C. Targeted at solar applications, where the highest voltage is present under no load conditions, the 193 PUR-SI Solar devices also feature a long useful life and rated ripple current up to 2.52 A at + 105 °C and 100 Hz.

Featuring a cylindrical aluminum case with a pressure relief valve, insulated with a blue sleeve, the new 193 PUR-SI Solar capacitors are available in five case sizes ranging from 35 mm by 30 mm to 35 mm by 60 mm. At 500 V, the devices feature a maximum operating temperature to + 50 °C and useful life of 5,000 hours (no ripple current applied). At 450 V the maximum temperature can be extended to + 105 °C, and the useful life is 6,000 hours.

As polarized aluminum electrolytic capacitors with a non-solid electrolyte, the 193 PUR-SI Solar devices are suited for smoothing, filtering, and energy storage in pulsed power applications. End products include solar PV inverters, industrial motor controls, and power supplies.

Device Specification Table:

Case size (D x L in mm)

35 x 30 to 35 x 60

Capacitance range at 500 V

220 µF to 560 µF

Tolerance

± 20 %

Ripple current at 100 Hz and + 105 °C

1.35 A to 2.52 A

Rated voltage

500 V

Category voltage

450 V

Rated temperature range

- 40 °C to + 50 °C

Category temperature range

- 40 °C to + 105 °C

Useful life at 500 V, + 50 °C

5,000 hours

Useful life at 450 V, + 105 °C

6,000 hours

Shelf life at 0 V, + 105 °C

1,000 hours

Max. ESR at 100 Hz

350 mO to 900 mO

Max. impedance at 10 kHz

250 mO to 600 mO

Sectional specification

IEC 60384-4/EN130300

Climatic category IEC 60068

40/105/56

Pricing: For U.S. delivery only starts at $5.50 per piece.

Availability: Samples and production quantities of the 193 PUR-SI Solar series capacitors are available now, with lead times of eight to 14 weeks.